TY - GEN AU - Chenon,M T AU - Pugmire,R J AU - Grant,D M AU - Panzica,R P AU - Townsend,L B TI - Carbon-13 magnetic resonance. XXV. A basic set of parameters for the investigation of tautomerism im purines. Established from carbon-13 magnetic resonance studies using certain purines and pyrrolo[2,3-d]pyrimidines SN - 0002-7863 PY - 1975///1122 KW - Adenine KW - analogs & derivatives KW - Hypoxanthines KW - Magnetic Resonance Spectroscopy KW - Mercaptopurine KW - Purines KW - Pyrimidines KW - Pyrroles N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S UR - https://doi.org/10.1021/ja00849a027 ER -